K9 Advantix II Flea & Tick Treatment for Dogs Over 55 lbs

K9 Advantix®II (imidacloprid + permethrin) is a convenient, once-a-month flea, tick, and mosquito control for dogs and puppies seven weeks of age and older. K9 Advantix II stops biting fleas within three to five minutes1 and repels and kills ticks and mosquitoes. Imidacloprid, one of the active ingredients in K9 Advantix II, also kills 98 - 100 percent of fleas within 12 hours.

K9 Advantix II is the only topical product that repels and kills fleas, ticks and mosquitoes, which may pose health risks to your pet.

DO NOT USE ON CATS. Due to their unique physiology and inability to metabolize certain compounds, K9 Advantix II must not be used on cats.

K9 Advantix II: A Powerful One-Two Punch

K9 Advantix II is a combination of two proven ingredients, imidacloprid and permethrin, that work synergistically against external parasites. The mode of action of imidacloprid complements the activity of permethrin. Each affects parasite nerve cells at different sites to rapidly debilitate, paralyze, and kill by acting on their central nervous systems and sparing our furry friends discomfort.